reboot ~ Sat Jul 21 01:45 Do 'shutdown -r' sometime and look at the logs. I think reboot is listed on startup, and shutdown separately. If you haven't made a recent software change, then I'd say the odds are somewhere between: packets arriving that are crashing the kernel (that didn't use to arrrive) flaky hardware VPS provider issues I'd suggest setting ddb.onpanic=2 and looking at the serial console through the provider's interface.
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